National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Mt. St. Helens - Coldwater (MSH33)

Lat: 46.30333°NLon: 122.26503°WElev: 3260.0ft.

NA

70°F

21°C

Humidity 48%
Wind Speed SSE 1 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 28 Sep 01:00 PM PDT
Extended Forecast for

9 Miles NNE Mount St Helens WA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 65. South wind around 6 mph.

    High: 65 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 2am. Mostly cloudy, with a low around 50. South wind 5 to 9 mph.

    Low: 50 °F

    Chance Rain

  • Monday

    Monday: Rain, mainly before noon, then showers after noon. High near 56. South wind 5 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Rain

  • Monday Night

    Monday Night: Showers before 11pm, then rain likely after 11pm. Low around 46. South wind 3 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Showers

  • Tuesday

    Tuesday: A chance of rain before 11am, then showers after 11am. High near 55. South wind 8 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers before 11pm, then showers and possibly a thunderstorm between 11pm and 2am, then showers after 2am. Low around 46. Chance of precipitation is 100%.

    Low: 46 °F

    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 11am. High near 54. Chance of precipitation is 90%.

    High: 54 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers. Cloudy, with a low around 45.

    Low: 45 °F

    Showers

  • Thursday

    Thursday: Showers likely, then showers and possibly a thunderstorm after 11am. Cloudy, with a high near 53.

    High: 53 °F

    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 65. South wind around 6 mph.
Tonight
A 30 percent chance of rain, mainly after 2am. Mostly cloudy, with a low around 50. South wind 5 to 9 mph.
Monday
Rain, mainly before noon, then showers after noon. High near 56. South wind 5 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Showers before 11pm, then rain likely after 11pm. Low around 46. South wind 3 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
A chance of rain before 11am, then showers after 11am. High near 55. South wind 8 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Showers before 11pm, then showers and possibly a thunderstorm between 11pm and 2am, then showers after 2am. Low around 46. Chance of precipitation is 100%.
Wednesday
Showers, with thunderstorms also possible after 11am. High near 54. Chance of precipitation is 90%.
Wednesday Night
Showers. Cloudy, with a low around 45.
Thursday
Showers likely, then showers and possibly a thunderstorm after 11am. Cloudy, with a high near 53.
Thursday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 45.
Friday
A chance of showers. Partly sunny, with a high near 55.
Friday Night
A chance of showers. Mostly cloudy, with a low around 43.
Saturday
A chance of showers. Partly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNE Mount St Helens WA
 46.3°N 122.09°W (Elev. 3796 ft)
Last Update:
12:41 pm PDT Sep 28, 2025
Forecast Valid:
1pm PDT Sep 28, 2025-6pm PDT Oct 4, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation